Seaport Entertainment Group Inc.
SEG- Exchange
- NYSE
- Industry
- Services-Miscellaneous Amusement & Recreation
- SEC CIK
- 0002009684
No open-market purchases or sales by Seaport Entertainment Group Inc. insiders were filed in the last 90 days; 116 institutions reported holding it in 13F filings for Q2 2026, worth $296.0M in total; Pershing Square is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Seaport Entertainment Group Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 101
- −1 vs. Q2 2025
- Shares held
- 9.91M
- +1.07M (+12.1%) vs. Q2 2025
- Total value
- $227.1M
- +$62.2M (+37.8%) vs. Q2 2025
- New holders
- 17
- 19 more added
- Sold out
- 18
- 35 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SEG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 116 | $296.0M |
| Q1 2026 | 118 | $231.3M |
| Q4 2025 | 113 | $205.6M |
| Q3 2025 | 101 | $227.1M |
| Q2 2025 | 103 | $165.1M |
| Q1 2025 | 121 | $192.0M |
| Q4 2024 | 127 | $268.7M |
| Q3 2024 | 118 | $134.7M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Seaport Entertainment Group Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pershing Square Capital Management, L.P. | 5,023,780 | $115.1M | 0.79% | 00.0% | Unchanged |
| Kahn Brothers Group Inc | 583,364 | $13.4M | 2.51% | +583,364 | New |
| Dimensional Fund Advisors LP | 579,323 | $13.3M | 0.00% | −3,964−0.7% | Reduced |
| Rubric Capital Management LP | 568,530 | $13.0M | 0.17% | 00.0% | Unchanged |
| BlackRock, Inc. | 523,520 | $12.0M | 0.00% | +6,559+1.3% | Added |
| Vanguard Group Inc | 460,531 | $10.6M | 0.00% | −8,574−1.8% | Reduced |
| Cerity Partners LLC | 259,945 | $5.96M | 0.01% | +259,945 | New |
| Solas Capital Management, LLC | 232,238 | $5.32M | 3.25% | +232,238 | New |
| Geode Capital Management, LLC | 184,146 | $4.22M | 0.00% | −1,907−1.0% | Reduced |
| State Street Corp | 179,435 | $4.11M | 0.00% | +11,752+7.0% | Added |
| Rangeley Capital, LLC | 154,000 | $3.53M | 3.32% | −4,000−2.5% | Reduced |
| UBS Group AG | 134,979 | $3.09M | 0.00% | +2,200+1.7% | Added |
| Ancora Advisors, LLC | 86,217 | $1.98M | 0.04% | −288−0.3% | Reduced |
| CenterBook Partners LP | 81,200 | $1.86M | 0.09% | +81,200 | New |
| Goldman Sachs Group Inc | 72,805 | $1.67M | 0.00% | +72,805 | New |
| Alberta Investment Management Corp | 66,352 | $1.52M | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 64,011 | $1.47M | 0.00% | −1,902−2.9% | Reduced |
| Northern Trust Corp | 58,546 | $1.34M | 0.00% | −3,005−4.9% | Reduced |
| Horizon Kinetics Asset Management LLC | 52,830 | $1.21M | 0.01% | −430−0.8% | Reduced |
| Russell Investments Group, Ltd. | 50,672 | $1.16M | 0.00% | −23,598−31.8% | Reduced |
| Phoenix Holdings Ltd. | 50,000 | $1.15M | 0.01% | −10,000−16.7% | Reduced |
| Colony Group, LLC | 50,000 | $1.15M | 0.00% | −123−0.2% | Reduced |
| Lazard Asset Management LLC | 44,889 | $1.03M | 0.00% | +44,108+5,647.6% | Added |
| LPL Financial LLC | 36,373 | $833.7K | 0.00% | −380−1.0% | Reduced |
| Morgan Stanley | 23,393 | $536.2K | 0.00% | −20,777−47.0% | Reduced |
| Bank of New York Mellon Corp | 22,318 | $511.5K | 0.00% | +80+0.4% | Added |
| Quantinno Capital Management LP | 22,191 | $508.6K | 0.00% | +1,878+9.2% | Added |
| Ingalls & Snyder LLC | 21,495 | $493.0K | 0.02% | −25−0.1% | Reduced |
| ArrowMark Colorado Holdings LLC | 19,833 | $454.6K | 0.01% | −1,437−6.8% | Reduced |
| Principal Financial Group Inc | 18,917 | $433.6K | 0.00% | +460+2.5% | Added |
| Price T Rowe Associates Inc | 17,610 | $404.0K | 0.00% | +1,600+10.0% | Added |
| State of New Jersey Common Pension Fund D | 15,891 | $364.2K | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 13,753 | $315.2K | 0.00% | 00.0% | Unchanged |
| Proficio Capital Partners LLC | 13,349 | $306.0K | 0.02% | +12+0.1% | Added |
| Sandia Investment Management LP | 13,311 | $305.1K | 0.91% | 00.0% | Unchanged |
| O'Keefe Stevens Advisory, Inc. | 13,055 | $299.2K | 0.08% | +734+6.0% | Added |
| Barclays PLC | 10,591 | $242.7K | 0.00% | −2,952−21.8% | Reduced |
| Jane Street Group, LLC | 10,271 | $235.4K | 0.00% | +10,271 | New |
| Empirical Finance, LLC | 9,935 | $227.7K | 0.01% | +9,935 | New |
| American Century Companies Inc | 9,402 | $215.5K | 0.00% | +9,402 | New |
| JPMorgan Chase & Co | 7,470 | $171.2K | 0.00% | −10,533−58.5% | Reduced |
| Rhumbline Advisers | 6,849 | $157.0K | 0.00% | −347−4.8% | Reduced |
| Wells Fargo & Company | 6,646 | $152.3K | 0.00% | +907+15.8% | Added |
| Bank of America Corp | 5,926 | $135.8K | 0.00% | −3,988−40.2% | Reduced |
| MetLife Investment Management | 5,018 | $115.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 3,651 | $83.7K | 0.00% | −8,777−70.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 3,431 | $78.6K | 0.00% | −649−15.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 1,737 | $39.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,556 | $35.7K | 0.00% | −1,863−54.5% | Reduced |
| New York State Common Retirement Fund | 1,454 | $33.3K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,400 | $32.1K | 0.00% | 00.0% | Unchanged |
| Hilltop National Bank | 1,013 | $23.2K | 0.01% | 00.0% | Unchanged |
| FMR LLC | 983 | $22.5K | 0.00% | −132−11.8% | Reduced |
| Tower Research Capital LLC (TRC) | 935 | $21.4K | 0.00% | −365−28.1% | Reduced |
| Ameritas Investment Partners, Inc. | 762 | $17.5K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 675 | $15.5K | 0.00% | 00.0% | Unchanged |
| Twin Lakes Capital Management, LLC | 668 | $15.3K | 0.01% | −41−5.8% | Reduced |
| Caitong International Asset Management Co., Ltd | 646 | $14.8K | 0.01% | +299+86.2% | Added |
| Sterling Capital Management LLC | 515 | $11.8K | 0.00% | +313+155.0% | Added |
| SRS Capital Advisors, Inc. | 489 | $11.2K | 0.00% | +384+365.7% | Added |
| California State Teachers Retirement System | 468 | $10.7K | 0.00% | +468 | New |
| Royal Bank of Canada | 434 | $10.0K | 0.00% | −6,891−94.1% | Reduced |
| Versant Capital Management, Inc | 406 | $9.31K | 0.00% | +72+21.6% | Added |
| Citigroup Inc | 381 | $8.73K | 0.00% | −2,772−87.9% | Reduced |
| Nisa Investment Advisors, LLC | 334 | $7.66K | 0.00% | +225+206.4% | Added |
| Comerica Bank | 277 | $6.35K | 0.00% | −102−26.9% | Reduced |
| Amalgamated Bank | 270 | $6.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 238 | $5.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 211 | $4.84K | 0.00% | −68−24.4% | Reduced |
| Cullen/Frost Bankers, Inc. | 207 | $4.74K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 155 | $3.55K | 0.00% | +155 | New |
| Advisor Group Holdings, Inc. | 144 | $3.40K | 0.00% | +83+136.1% | Added |
| Pin Oak Investment Advisors Inc | 145 | $3.32K | 0.00% | −11−7.1% | Reduced |
| Montag A & Associates Inc | 133 | $3.05K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 83 | $1.90K | 0.00% | +83 | New |
| Natixis | 64 | $1.52K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 58 | $1.33K | 0.00% | −125−68.3% | Reduced |
| Leonteq Securities AG | 44 | $1.01K | 0.00% | −289−86.8% | Reduced |
| Costello Asset Management, INC | 36 | $825 | 0.00% | 00.0% | Unchanged |
| Lummis Asset Management, LP | 36 | $825 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 35 | $802 | 0.00% | +5+16.7% | Added |
| Jones Financial Companies LLLP | 25 | $590 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 23 | $527 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 17 | $390 | 0.00% | +17 | New |
| Smartleaf Asset Management LLC | 16 | $380 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 14 | $321 | 0.00% | −2−12.5% | Reduced |
| SBI Securities Co., Ltd. | 14 | $321 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 13 | $298 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 11 | $252 | 0.00% | +4+57.1% | Added |
| Binnacle Investments Inc | 8 | $183 | 0.00% | +8 | New |
| Signaturefd, LLC | 6 | $138 | 0.00% | −1−14.3% | Reduced |
| True Wealth Design, LLC | 6 | $138 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 6 | $138 | 0.00% | +6 | New |
| US Bancorp | 3 | $69 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 3 | $69 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $46 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $46 | 0.00% | +2 | New |
| Wealthspire Advisors, LLC | 2 | $46 | 0.00% | +2 | New |
| Sachetta, LLC | 1 | $23 | 0.00% | 00.0% | Unchanged |
| Turning Point Benefit Group, Inc. | 1 | $23 | 0.00% | +1 | New |